/*
 * Copyright (c) 2009 The University of Edinburgh
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer;
 * redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution;
 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Authors: Lei Zhang
 */

#ifndef __ARCH_UNICORE_TYPES_HH__
#define __ARCH_UNICORE_TYPES_HH__

#include "arch/generic/types.hh"
#include "base/bitunion.hh"
#include "base/hashmap.hh"
#include "base/types.hh"

namespace UnicoreISA
{

typedef uint32_t MachInst;

BitUnion32(ExtMachInst)

    // Registers
    Bitfield<15, 11> rs1;
    Bitfield<10, 6> rs2;

    // Immediate fields
    Bitfield<10,  0> si; // short immediate? (for normal instruction)
    Bitfield<23,  0> li; // long immediate (only for conditional branch)

    // Condition field for branch
    Bitfield<27, 24> bc_br;
    // Condition field for cmov & cnot
    Bitfield<15, 12> bc_mv;

EndBitUnion(ExtMachInst)

typedef GenericISA::SimplePCState<MachInst> PCState;

// typedef uint64_t LargestRead;
// // Need to use 64 bits to make sure that read requests get handled properly

// typedef int RegContextParam;
// typedef int RegContextVal;

} // UnicoreISA namespace

__hash_namespace_begin

template<>
struct hash<UnicoreISA::ExtMachInst> : public hash<uint32_t> {
    size_t operator()(const UnicoreISA::ExtMachInst &emi) const {
        return hash<uint32_t>::operator()((uint32_t)emi);
    };
};

__hash_namespace_end

#endif // __ARCH_UNICORE_TYPES_HH__
